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#
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# c-ares Makefile for djgpp/gcc/Watt-32.
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# Copyright (C) Gisle Vanem <gvanem@yahoo.no>
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# SPDX-License-Identifier: MIT
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#
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include src/lib/Makefile.inc
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CSOURCES := $(addprefix src/lib/, $(CSOURCES))
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CSOURCES := $(filter-out src/lib/windows_port.c, $(CSOURCES))
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VPATH = src/lib src/tools
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#
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# Root directory for Waterloo tcp/ip.
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# WATT_ROOT should be set during Watt-32 install.
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#
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WATT32_ROOT = $(realpath $(WATT_ROOT))
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WATT32_LIB = $(WATT32_ROOT)/lib/libwatt.a
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OBJ_DIR = djgpp
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CFLAGS = -g -O2 -I./include -I./src/lib \
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-I$(WATT32_ROOT)/inc -Wall \
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-DWATT32 -DHAVE_CONFIG_H \
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-Dselect=select_s
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LDFLAGS = -s
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ifeq ($(OS),Windows_NT)
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#
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# Windows hosted djgpp cross compiler. Get it from:
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# https://github.com/andrewwutw/build-djgpp/releases
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#
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DJ_PREFIX ?= c:/some-path/djgpp/bin/i586-pc-msdosdjgpp-
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CC = $(DJ_PREFIX)gcc
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else
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#
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# The normal djgpp 'gcc' for MSDOS.
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#
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CC = gcc
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endif
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OBJECTS = $(addprefix $(OBJ_DIR)/, \
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$(notdir $(CSOURCES:.c=.o)))
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GENERATED = src/lib/ares_config.h \
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include/ares_build.h
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TARGETS = libcares.a adig.exe ahost.exe
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.SECONDARY: $(OBJ_DIR)/ares_getopt.o
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all: $(OBJ_DIR) $(GENERATED) $(TARGETS)
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@echo Welcome to c-ares.
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libcares.a: $(OBJECTS)
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ar rs $@ $(OBJECTS)
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src/lib/ares_config.h: src/lib/config-dos.h
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cp --update $< $@
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include/ares_build.h: include/ares_build.h.dist
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cp --update $< $@
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%.exe: src/tools/%.c $(OBJ_DIR)/ares_getopt.o libcares.a
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$(call compile_and_link, $@, $^ $(WATT32_LIB))
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# Clean generated files and objects.
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#
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clean:
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- rm -f depend.dj $(GENERATED) $(OBJ_DIR)/*.o
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- rmdir $(OBJ_DIR)
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# Clean everything
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#
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realclean vclean: clean
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- rm -f $(TARGETS) $(TARGETS:.exe=.map)
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$(OBJ_DIR):
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- mkdir $@
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$(OBJ_DIR)/%.o: %.c
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$(CC) $(CFLAGS) -o $@ -c $<
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@echo
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define compile_and_link
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$(CC) -o $(1) $(CFLAGS) $(LDFLAGS) -Wl,--print-map,--sort-common $(2) > $(1:.exe=.map)
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@echo
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endef
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DEP_REPLACE = sed -e 's@\(.*\)\.o: @\n$$(OBJ_DIR)\/\1.o: @' \
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-e 's@$(WATT32_ROOT)@$$(WATT32_ROOT)@g'
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#
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# One may have to do 'make -f Makefile.dj clean' first in case
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# a foreign 'curl_config.h' is making trouble.
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#
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depend: $(GENERATED) Makefile.dj
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$(CC) -MM $(CFLAGS) $(CSOURCES) | $(DEP_REPLACE) > depend.dj
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-include depend.dj
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